Journal
POLYMER
Volume 51, Issue 19, Pages 4368-4374Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2010.07.042
Keywords
Polyacrylonitrile; Polypyrrole; Electrospinning
Categories
Funding
- Department of Energy [DE-EE0001177]
- U.S. National Science Foundation [0833837]
- National Science Foundation [EEC-08212121]
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [0833837] Funding Source: National Science Foundation
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Novel core-sheath nanofibers, composed of polyacrylonitrile (PAN) core and polypyrrole (PPy) sheath with clear boundary between them, were fabricated by electrospinning PAN/FeCl3 6H(2)O bicomponent nanofibers and the subsequent surface-initiated polymerization in a pyrrole-containing solution By adjusting the concentration of FeCl3 6H(2)O, the surface morphology of PPy sheath changed from isolated agglomerates or clusters to relatively uniform thin-film structure Thermal properties of PAN-PPy core-sheath nanofibers were also characterized Results indicated that the PPy sheath played a role of inhibitor and retarded the complex chemical reactions of PAN during the carbonization process (C) 2010 Elsevier Ltd All rights reserved
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